from typing import List

from .keymap import KEYMAP, get_character




def 	_UpperCamelCase (      snake_case__				)    -> int:

							def decorator(snake_case__				):
														__UpperCAmelCase    :      Tuple       = getattr(_lowerCamelCase,     "handle_key",     []				)
														handle += [key]
														setattr(_lowerCamelCase,     "handle_key",     _lowerCamelCase				)
														return func

							return decorator




def 	_UpperCamelCase (      *snake_case__				)    -> Optional[int]:

							def decorator(snake_case__				):
														__UpperCAmelCase    :      List[Any]       = getattr(_lowerCamelCase,     "handle_key",     []				)
														handle += keys
														setattr(_lowerCamelCase,     "handle_key",     _lowerCamelCase				)
														return func

							return decorator




class        _snake_case    (    __snake_case					):
					def __new__(	cls:					Optional[int]						,	__lowerCamelCase:					Any						,	__lowerCamelCase:					str						,	__lowerCamelCase:					List[Any]  )     ->					Dict:
												__UpperCAmelCase    :      Any       = super().__new__(cls						,	__SCREAMING_SNAKE_CASE						,	__SCREAMING_SNAKE_CASE						,	__SCREAMING_SNAKE_CASE  )
												if not hasattr(__SCREAMING_SNAKE_CASE						,	"key_handler"  ):
																			setattr(__SCREAMING_SNAKE_CASE						,	"key_handler"						,	{}  )
												setattr(__SCREAMING_SNAKE_CASE						,	"handle_input"						,	KeyHandler.handle_input  )

												for value in attrs.values():
																			__UpperCAmelCase    :      str       = getattr(__SCREAMING_SNAKE_CASE						,	"handle_key"						,	[]  )
																			for key in handled_keys:
																										__UpperCAmelCase    :      List[str]       = value
												return new_cls





					@staticmethod
					def  _lowerCamelCase			(	cls:					int  )     ->					Optional[int]:
												__UpperCAmelCase    :      List[str]       = get_character()
												if char != KEYMAP["undefined"]:
																			__UpperCAmelCase    :      Optional[Any]       = ord(__SCREAMING_SNAKE_CASE  )
												__UpperCAmelCase    :      List[str]       = cls.key_handler.get(__SCREAMING_SNAKE_CASE  )
												if handler:
																			__UpperCAmelCase    :      Tuple       = char
																			return handler(cls  )
												else:
																			return None




def 	_UpperCamelCase (      cls				)    -> Tuple:
							return KeyHandler(cls.__name__,     cls.__bases__,     cls.__dict__.copy()				)












"""simple docstring"""





def 	lowerCamelCase__			(				_lowerCamelCase			:						list[list[int | float]]					) ->							int:
  lowerCamelCase_       	=		len(_lowerCamelCase					)
  lowerCamelCase_       	=		len(matrix[0]					)
  lowerCamelCase_       	=		min(_lowerCamelCase						,							_lowerCamelCase					)

  for row in range(_lowerCamelCase					):
    # Check if diagonal element is not zero
    if matrix[row][row] != 0:
      # Eliminate all the elements below the diagonal
      for col in range(row + 1						,							_lowerCamelCase					):
        lowerCamelCase_       	=		matrix[col][row] / matrix[row][row]
        for i in range(_lowerCamelCase						,							_lowerCamelCase					):
          matrix[col][i] -= multiplier * matrix[row][i]
    else:
      # Find a non-zero diagonal element to swap rows
      lowerCamelCase_       	=		True
      for i in range(row + 1						,							_lowerCamelCase					):
        if matrix[i][row] != 0:
          lowerCamelCase_	,      lowerCamelCase_       	=		matrix[i], matrix[row]
          lowerCamelCase_       	=		False
          break
      if reduce:
        rank -= 1
        for i in range(_lowerCamelCase					):
          lowerCamelCase_       	=		matrix[i][rank]

            # Reduce the row pointer by one to stay on the same row
      row -= 1

  return rank


if __name__ == "__main__":
  import doctest

  doctest.testmod()




